The National Post reports in its Tuesday, July 18, edition that a small study is showing promise for the use of topical cannabinoids to promote hair regrowth. The Post's Sam Riches writes that the study, which involved 31 male and female patients with androgenetic alopecia, the most common cause of hair loss, was recently published in the International Journal of Trichology. It found that every patient, 15 men and 16 women, experienced hair regrowth after a daily application of a topical solution containing hemp-derived cannabinoids for a period of six months. None of the patients reported any adverse effects. Researchers say the findings displayed "superior results" when compared with traditional hair regrowth prescription medicines like finasteride and minoxidil ointments. "Since this hemp extract works through novel mechanisms entirely different from finasteride and minoxidil, it can be used in conjunction with these current drugs and would be expected to have synergistic effects," the study noted. On average, male patients recorded a 15.07 hairs/cm2 increase of hair regrowth for an average increase of 246 per cent. Female patients saw 16.06 hairs/cm2, for an average increase of 127 per cent.